Patents-Review.com
ClassID:

213964 ⎘

H01P1/2007 - CPC Classification

Classification description:

Auxiliary devices; Frequency-selective devices, e.g. filters Filtering devices for biasing networks or DC returns

Recent Application in this class:
#1
20260088480
2026-03-26

COMPACT DIFFERENTIAL BIAS TEE

 #2
20240195037
2024-06-13

DC BLOCK AND PLASMA GENERATOR USING THE SAME

 #3
20240154284
2024-05-09

PHASE SHIFTER AND WIRELESS COMMUNICATION DEVICE

 #4
20240039138
2024-02-01

BIAS TEES HAVING A CAPACITANCE TO GROUND

 #5
20220232710
2022-07-21

Fabrication of superconducting devices that control direct currents and microwave signals

 #6
20220209406
2022-06-30

Bias tee circuit and calibration board for base station antenna

 #7
20220190453
2022-06-16

MICROWAVE SYSTEM AND METHOD

 #8
20220094028
2022-03-24

Signal transmission device

 #9
20220060342
2022-02-24

Bias tee circuit and PoC circuit using the same

 #10
20210075129
2021-03-11

MINI ISOLATOR

 #11
20200411939
2020-12-31

MINI ISOLATOR

 #12
20200136222
2020-04-30

Low frequency and direct current signal blocking device and antenna

 #13
20190348775
2019-11-14

Mini isolator

 #14
20190348736
2019-11-14

Mini isolator

 #15
20190326785
2019-10-24

RF-to-DC converter

 #16
20190238110
2019-08-01

Common-mode filter

 #17
20190044212
2019-02-07

Transmission line bias resistor

 #18
20170301971
2017-10-19

DC blocking circuit with bias control and independent cut-off frequency for AC-coupled circuits

 #19
20170194685
2017-07-06

Mini isolator

 #20
20170187344
2017-06-29

Device for blocking high frequency signal and passing low frequency signal

 #21
20170104255
2017-04-13

Mini isolator

 #22
20160211825
2016-07-21

Systems and methods for enhanced high frequency power bias tee designs

 #23
20160211565
2016-07-21

Methods and devices for integrating radio frequency and other signals within a conductor

 #24
20150270823
2015-09-24

Configurable bias tee

 #25
20150084714
2015-03-26

Signal transmission line

 #26
20140253262
2014-09-11

RF choke device for integrated circuits

 #27
20120264486
2012-10-18

DC pass filter using flat inductor in cavity

 #28
20120200369
2012-08-09

DC BLOCKING DEVICE BY USING IMPEDANCE MATCHING

 #29
20120086528
2012-04-12

High-voltage wideband pulse attenuator having attenuation value self-correction function

 #30
20110205001
2011-08-25

Miniaturized DC breaker

 #31
20100277256
2010-11-04

Common-mode filter with coupled inductances

 #32
20100277254
2010-11-04

Common-mode filter

 #33
20100265005
2010-10-21

PCB mounted directional coupler assembly

 #34
20100254366
2010-10-07

DCS/WCDMA dual frequency synthesizer and a general dual frequency synthesizer

 #35
20100188281
2010-07-29

Direct-current blocking circuit, hybrid circuit device, transmitter, receiver, transmitter-receiver, and radar device

 #36
20100182106
2010-07-22

DIRECT CURRENT VOLTAGE ISOLATOR

 #37
20090256648
2009-10-15

DC and/or AF output from an RF path

 #38
20090224859
2009-09-10

Galvanic isolation mechanism for a planar circuit

 #39
20090153270
2009-06-18

High-pass filter

 #40
20090039965
2009-02-12

Low-loss electrical component with an amplifier

 #41
20080139044
2008-06-12

Coaxial HF plug-in connector

 #42
20080042785
2008-02-21

Inductor circuit board, method of forming inductor, and bias-T circuit

 #43
20080042783
2008-02-21

Filter

 #44
20070247231
2007-10-25

DC-bias network for a distributed amplifier

 #45
20070194864
2007-08-23

DC block with band-notch characteristic using DGS

 #46
20070069833
2007-03-29

Galvanic isolation mechanism for a planar circuit

 #47
20070063771
2007-03-22

Bias-T circuit

 #48
20050101191
2005-05-12

Bias-T apparatus and center conductor of the same

 #49
14879461
2017-08-08

DC blocking circuit with bias control and independent cut-off frequency for AC-coupled circuits